Make Morph a SpellAbility (part 1)

Mage/src/main/java/mage/abilities/AbilityImpl.java

@@ -436,6 +436,7 @@ public abstract class AbilityImpl implements Ability {
                 case DISTURB:
                 case MORE_THAN_MEETS_THE_EYE:
                 case BESTOW:
+                case MORPH:
                     // from Snapcaster Mage:
                     // If you cast a spell from a graveyard using its flashback ability, you can't pay other alternative costs
                     // (such as that of Foil). (2018-12-07)

Mage/src/main/java/mage/abilities/keyword/MorphAbility.java

@@ -3,8 +3,8 @@ package mage.abilities.keyword;
 import mage.MageObject;
 import mage.ObjectColor;
 import mage.abilities.Ability;
+import mage.abilities.SpellAbility;
 import mage.abilities.common.SimpleStaticAbility;
-import mage.abilities.costs.AlternativeSourceCostsImpl;
 import mage.abilities.costs.Cost;
 import mage.abilities.costs.Costs;
 import mage.abilities.costs.CostsImpl;
@@ -12,13 +12,15 @@ import mage.abilities.costs.mana.GenericManaCost;
 import mage.abilities.costs.mana.ManaCost;
 import mage.abilities.effects.common.continuous.BecomesFaceDownCreatureEffect;
 import mage.abilities.effects.common.continuous.BecomesFaceDownCreatureEffect.FaceDownType;
+import mage.cards.Card;
 import mage.constants.CardType;
 import mage.constants.Rarity;
+import mage.constants.SpellAbilityCastMode;
+import mage.constants.TimingRule;
 import mage.game.Game;
 import mage.game.permanent.Permanent;
 import mage.game.permanent.token.EmptyToken;
 import mage.game.permanent.token.Token;
-import mage.game.stack.Spell;
 import mage.util.CardUtil;
 
 /**
@@ -62,8 +64,7 @@ import mage.util.CardUtil;
  *
  * @author LevelX2
  */
-public class MorphAbility extends AlternativeSourceCostsImpl {
+public class MorphAbility extends SpellAbility {
-
     protected static final String ABILITY_KEYWORD = "Morph";
     protected static final String ABILITY_KEYWORD_MEGA = "Megamorph";
     protected static final String REMINDER_TEXT = "You may cast this card face down as a "
@@ -75,20 +76,22 @@ public class MorphAbility extends AlternativeSourceCostsImpl {
     // needed to check activation status, if card changes zone after casting it
     private final boolean megamorph;
 
-    public MorphAbility(Cost morphCost) {
+    public MorphAbility(Card card, Cost morphCost) {
-        this(morphCost, false);
+        this(card, morphCost, false);
     }
 
-    public MorphAbility(Cost morphCost, boolean megamorph) {
+    public MorphAbility(Card card, Cost morphCost, boolean megamorph) {
-        super(megamorph ? ABILITY_KEYWORD_MEGA : ABILITY_KEYWORD, megamorph ? REMINDER_TEXT_MEGA : REMINDER_TEXT, new GenericManaCost(3));
+        super(new GenericManaCost(3), card.getName() + " with " + ABILITY_KEYWORD);
         this.morphCosts = new CostsImpl<>();
         this.morphCosts.add(morphCost);
         this.megamorph = megamorph;
+        this.setSpellAbilityCastMode(SpellAbilityCastMode.MORPH);
         this.setWorksFaceDown(true);
         Ability ability = new SimpleStaticAbility(new BecomesFaceDownCreatureEffect(
                 morphCosts, (megamorph ? FaceDownType.MEGAMORPHED : FaceDownType.MORPHED)));
         ability.setWorksFaceDown(true);
         ability.setRuleVisible(false);
+        this.timing = TimingRule.SORCERY;
         addSubAbility(ability);
     }
 
@@ -103,28 +106,6 @@ public class MorphAbility extends AlternativeSourceCostsImpl {
         return new MorphAbility(this);
     }
 
-    @Override
-    public boolean askToActivateAlternativeCosts(Ability ability, Game game) {
-        switch (ability.getAbilityType()) {
-            case SPELL:
-                Spell spell = game.getStack().getSpell(ability.getId());
-                if (spell != null) {
-                    spell.setFaceDown(true, game);
-                    if (handleActivatingAlternativeCosts(ability, game)) {
-                        game.getState().setValue("MorphAbility" + ability.getSourceId(), "activated");
-                        spell.getColor(game).setColor(null);
-                        game.getState().getCreateMageObjectAttribute(spell.getCard(), game).getSubtype().clear();
-                    } else {
-                        spell.setFaceDown(false, game);
-                    }
-                }
-                break;
-            case PLAY_LAND:
-                handleActivatingAlternativeCosts(ability, game);
-        }
-        return isActivated(ability, game);
-    }
-
     public Costs<Cost> getMorphCosts() {
         return morphCosts;
     }
@@ -132,8 +113,10 @@ public class MorphAbility extends AlternativeSourceCostsImpl {
     @Override
     public String getRule() {
         boolean isMana = morphCosts.get(0) instanceof ManaCost;
-        return alternativeCost.getName() + (isMana ? " " : "&mdash;") +
+        String name = megamorph ? ABILITY_KEYWORD_MEGA : ABILITY_KEYWORD;
-                morphCosts.getText() + (isMana ? ' ' : ". ") + alternativeCost.getReminderText();
+        String reminder = megamorph ? REMINDER_TEXT_MEGA : REMINDER_TEXT;
+        return name + (isMana ? " " : "&mdash;") +
+                morphCosts.getText() + (isMana ? ' ' : ". ") + reminder;
     }
 
     /**
@@ -144,16 +127,7 @@ public class MorphAbility extends AlternativeSourceCostsImpl {
      * @param game
      */
     public static void setPermanentToFaceDownCreature(MageObject targetObject, Permanent sourcePermanent, Game game) {
-        targetObject.getPower().setModifiedBaseValue(2);
+        setObjectToFaceDownCreature(targetObject, game);
-        targetObject.getToughness().setModifiedBaseValue(2);
-        targetObject.getAbilities().clear();
-        targetObject.getColor(game).setColor(new ObjectColor());
-        targetObject.setName("");
-        targetObject.removeAllCardTypes(game);
-        targetObject.addCardType(game, CardType.CREATURE);
-        targetObject.removeAllSubTypes(game);
-        targetObject.removeAllSuperTypes(game);
-        targetObject.getManaCost().clear();
 
         Token emptyImage = new EmptyToken();
 
@@ -169,4 +143,16 @@ public class MorphAbility extends AlternativeSourceCostsImpl {
             throw new IllegalArgumentException("Wrong code usage: un-supported targetObject in face down method: " + targetObject.getClass().getSimpleName());
         }
     }
+    public static void setObjectToFaceDownCreature(MageObject targetObject, Game game) {
+        targetObject.getPower().setModifiedBaseValue(2);
+        targetObject.getToughness().setModifiedBaseValue(2);
+        targetObject.getAbilities().clear();
+        targetObject.getColor(game).setColor(new ObjectColor());
+        targetObject.setName("");
+        targetObject.removeAllCardTypes(game);
+        targetObject.addCardType(game, CardType.CREATURE);
+        targetObject.removeAllSubTypes(game);
+        targetObject.removeAllSuperTypes(game);
+        targetObject.getManaCost().clear();
+    }
 }

Mage/src/main/java/mage/constants/SpellAbilityCastMode.java

@@ -1,6 +1,7 @@
 package mage.constants;
 
 import mage.abilities.keyword.BestowAbility;
+import mage.abilities.keyword.MorphAbility;
 import mage.cards.Card;
 import mage.game.Game;
 
@@ -12,6 +13,7 @@ public enum SpellAbilityCastMode {
     MADNESS("Madness"),
     FLASHBACK("Flashback"),
     BESTOW("Bestow"),
+    MORPH("Morph"),
     TRANSFORMED("Transformed", true),
     DISTURB("Disturb", true),
     MORE_THAN_MEETS_THE_EYE("More than Meets the Eye", true);
@@ -49,6 +51,8 @@ public enum SpellAbilityCastMode {
             if (tmp != null) {
                 cardCopy = tmp.copy();
             }
+        if (this.equals(MORPH)) {
+            MorphAbility.setObjectToFaceDownCreature(cardCopy, game);
         }
         return cardCopy;
     }

Mage/src/main/java/mage/game/stack/Spell.java

@@ -5,7 +5,6 @@ import mage.MageObject;
 import mage.Mana;
 import mage.ObjectColor;
 import mage.abilities.*;
-import mage.abilities.costs.AlternativeSourceCosts;
 import mage.abilities.costs.mana.ActivationManaAbilityStep;
 import mage.abilities.costs.mana.ManaCost;
 import mage.abilities.costs.mana.ManaCosts;
@@ -80,6 +79,9 @@ public class Spell extends StackObjectImpl implements Card {
             // simulate another side as new card (another code part in continues effect from disturb ability)
             affectedCard = TransformAbility.transformCardSpellStatic(card, card.getSecondCardFace(), game);
         }
+        if (ability.getSpellAbilityCastMode() == SpellAbilityCastMode.MORPH){
+            this.faceDown = true;
+        }
 
         this.card = affectedCard;
         this.color = affectedCard.getColor(null).copy();
@@ -182,11 +184,8 @@ public class Spell extends StackObjectImpl implements Card {
     }
 
     public String getSpellCastText(Game game) {
-        for (Ability spellAbility : getAbilities()) {
+        if (this.getSpellAbility() instanceof MorphAbility) {
-            if (spellAbility instanceof MorphAbility
+            return "a card face down";
-                    && ((AlternativeSourceCosts) spellAbility).isActivated(getSpellAbility(), game)) {
-                return "a card face down";
-            }
         }
 
         if (card instanceof AdventureCardSpell) {